What do birds have that can fall off?
Options:
- two wings
- feathers
- beak
- two legs
- keeping in zoo
Feathers are the light appendages growing from a bird's skin. Light things are capable of falling off easily. The light appendages growing from the skin of birds can fall off.
feathers

Where do you look to see a meteor?
Options:
- outerspace
- orbit
- universe
- sky
- observatory
Sky is everything that lies above earth. One can look at the sky from below and watch various things like stars, meteors etc.
sky

What would be a dream vacation for some children?
Options:
- zoo
- museum
- disneyland
- school
- toy store
Disneyland can be a dream location. Children like disneyland. Disneyland is a theme park.
disneyland

What are you about to do If you're going to study in a library?
Options:
- concentrating
- concentration
- settle down
- read books
- concentrate

People read books in a library. You are about to read books if you're going to study in a library.
read books